| Circuit Diagram |

Signal Waveform
Inspection 1. Turn the ignition switch OFF. 2. Disconnect the OCV connector. 3. Measure resistance between the OCV terminals 1 and 2. 4.
Removal 1. Disconnect the negative (-) battery terminal. 2. Remove the rear bumper. (Refer to Body - "Rear Bumper") 3. Remove the BSD unit (A) after loosening the mounting nuts. Take care not to separate the bracket from rear bumper when removing the BSD sensor.
Replacement 1. Discharge refrigerant from refrigeration system. 2. Replace any faulty tubes or hoses. Cap the open fittings immediately to keep moisture or dirt out of the system. 3. Tighten the bolt or nut joint to the specified torque.